Latching mechanism for reciprocating impact tools

Details Latching mechanism for reciprocating impact tools Latching mechanism for reciprocating impact tools

1978-03-01

1979-11-20

Weidenfeld, Gil

Chucks or sockets

Socket type

Lost motion

B25D 1708

Patent

active

041748484

ABSTRACT:
An improved latching mechanism for retaining bits, such as chisels, chippers or scalers in reciprocating impact tools. The improved latching mechanism includes a latch member that is located in the hollow nose of the tool and is rotatable between latched and unlatched positions. A split spring encircles the nose and engages the latch member to prevent inadvertent rotation of the latch member and to retain the latch member in the nose. The latch member extends into the hollow nose and, when in the latched position, engages the bit to retain the bit in the tool while permitting limited reciprocating movement of the bit. When in the unlatched position, the latch member frictionally engages the bit to inhibit inadvertent discharge of the bit, while permitting intentional insertion and removal of the bit.

REFERENCES:
patent: 2716393 (1955-08-01), Fischer

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